CMS Lap Timer!

The Cantrell Motorsports Lap Timer is the app for the race track enthusiast seeking to improve via learning and sharing. This is the easiest to use GPS-based lap timer, data recorder, video recorder, and performance analysis app available for iOS devices. Refer to the user guide for additional information:http://cmslaptimer.com Also Available: CMS Lap Timer Pro for iOS CMS Lap Timer Pro includes all the features above that are in-app purchaseshttp://cmslaptimer.com/products.html